868371847 has 4 divisors (see below), whose sum is σ = 992424976. Its totient is φ = 744318720.

The previous prime is 868371811. The next prime is 868371869. The reversal of 868371847 is 748173868.

868371847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 868371847 - 2²³ = 859983239 is a prime.

It is a super-3 number, since 3×868371847³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 868371794 and 868371803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868371887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62026554 + ... + 62026567.

It is an arithmetic number, because the mean of its divisors is an integer number (248106244).

Almost surely, 2^868371847 is an apocalyptic number.

868371847 is a deficient number, since it is larger than the sum of its proper divisors (124053129).

868371847 is a wasteful number, since it uses less digits than its factorization.

868371847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124053128.

The product of its digits is 1806336, while the sum is 52.

The square root of 868371847 is about 29468.1497043842. The cubic root of 868371847 is about 954.0443816548.

The spelling of 868371847 in words is "eight hundred sixty-eight million, three hundred seventy-one thousand, eight hundred forty-seven".